what is pickle library in python

Опубликовано: 27 Октябрь 2024
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title: introduction to the pickle library in python
the pickle library in python is a powerful module that allows for the serialization and deserialization of python objects. serialization is the process of converting a python object into a byte stream, and deserialization is the process of reconstructing the original object from the byte stream. pickle is particularly useful for saving and loading complex data structures, such as dictionaries, lists, and custom objects, in a format that can be easily stored or transmitted.
to use the pickle library, you need to import it into your python script or program. the pickle module comes pre-installed with python, so there's no need to install it separately.
to pickle an object, you can use the pickle.dump() function. this function takes two arguments: the object to be pickled and the file-like object where the serialized data will be written.
to unpickle an object, you can use the pickle.load() function. this function takes a file-like object containing the serialized data and returns the reconstructed object.
pickle can handle most built-in data types, but it can also serialize custom objects if they are properly defined. to do this, the custom class must implement two special methods: __getstate__() and __setstate__().

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